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Hi Savitha,
On your nodes running tasktrackers and datanodes, there is a core-site.xml
file that specifies the namenode to contact via the property fs.default.name.
In addition, there is a mapred-site.xml which specifies address of
jobtracker.
I hope that helps.
Regards,
Robert
On Thu, Feb 14, 2013 at 10:23 AM, Henjarappa, Savitha <
savitha.henjarappa@hp.com> wrote:
> All,
>
> My questions
>
> - If I have multiple Hadoop clusters, how do I make put which DataNode
> is configured to which NameNode? Similary Task Tracker to JobTracker?
> - Can I install Map and Reduce on separate Nodes? Is there any usecase
> to support this configuration.
>
>
> Thanks,
> Savitha
>
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